The G603 by Logitech uses an Optical sensor, providing a DPI/CPI range of 200 - 12,000 dpi. This is combined with a 32-bit ARM processor. This results in a tracking speed of 400 IPS, and a maximum acceleration of 40G. It uses a "LIGHTSPEED" and Bluetooth connection. It weighs in at 112.3g with 1 AA battery, 135.7g with 2 AA batteries grams and 88.9 g without the cable and is approximately 124 x 68 x 43 mm (LxWxH).
HERO is a revolutionary new optical sensor designed by Logitech G to deliver class-leading performance and up to 10 times the power efficiency1. With HERO sensor, G603 also delivers exceptionally accurate and consistent performance across the entire DPI range, with zero smoothing, filtering or pixel rounding from 200 to 12,000 DPI.
Quickly switch between HI and LO modes with the flick of a switch. In HI mode, G603 delivers peak performance with LIGHTSPEED 1 ms reporting and up to 500 hours of non-stop gaming. When not gaming, simply switch to LO mode and extend battery life. LO mode reports at 8 ms for up to 18 months of use with 2 AA batteries.